*{
    box-sizing:border-box;
}
html{
    width: 100%;
    height: 100%;
    touch-action: manipulation; /* IE11+ 禁止双击缩放，关于移动端300ms延迟：https://github.com/ftlabs/fastclick */
    -ms-touch-action: manipulation /* IE10+ 禁止双击缩放 */
}
body{
    width: 100%;
    height: 100%;
    font-family: 'Microsoft YaHei',STHeiti,Helvetica,Arial,sans-serif;
}
img{vertical-align: top;border: 0;}
ul, li, ol{
    list-style-type: none;
}
a, blockquote, body, button, code, dd, div, dl, dt, em, fieldset, form, h1, h2, h3, h4, h5, h6, html,iframe, img, input, label, li, object, ol, p, q, small, span, strong, table, tbody, td, th, tr, ul {
    margin: 0;
    padding: 0;
    border: 0;
}
h1, h2, h3, h4, h5, h6{
    font-family: 'Helvetica Neue',Helvetica,Arial,sans-serif;
}
button, input, select, textarea { font-size: 100%; line-height:normal; }
textarea{resize:none}
button, input, select, label{vertical-align:middle;}
table{ border-collapse: collapse; border-spacing: 0; }
input[type="button"],input[type="submit"],input[type="reset"]{cursor:pointer;}
a{color: #333; outline: none; text-decoration: none;}
a:focus{outline: none;}
.clearfix:after {visibility:hidden;display:block;font-size:0;content:" ";clear:both;height:0;}
.clearfix {zoom:1; }
/*定义滚动条高宽及背景 高宽分别对应横竖滚动条的尺寸*/
::-webkit-scrollbar { width: 6px; background-color: #F5F5F5;}

/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0);
    border-radius: 10px;
    background-color: #F5F5F5;
}

/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);
    background-color: #555;
}
